Design sketches for Clojure coverage tool (here, via @lshift) -- Insightful article that goes over what it would take to instrument Clojure code (in clojure, of course)

New chapters available in the MEAP (early access) of "Clojure in Action" (here, via @mikemiller) -- The new chapters are 5) Clojure and Java Interop, 6) State and the concurrent world and 7) Evolving Clojure through macros.